Observers: Pierre-François Léget, Nicolas Chotard & Marine Ducrot TAT:Morgan Fraser, Lluís Galbany The sky is perfectly clear tonight. We will do EFOSC observations. Spectroscopic and photometric night. ---- CALIBRATIONS: - 19:30UT: 1x PESSTO_calib - 21.00UT: 1x PESSTO_bias - 23:50UT: Sunset SCIENCE-OBSERVATIONS: EFOSC observations - 00:00UT: skyflat BR - 00:35UT: Vma2 Spectroscopic standard star (gm11, gm13, gm16). Airmass 1.33 Seeing 0.74" - 01:20UT: ASASSN-14lw_Spec_V_16_0__17_5_g11g16_sl1. Airmass 1.13 Seeing 0.60" - 02:30UT: PESSTOESO154-G10_Spec_V_14_5__16_0_g11g16_sl1. Airmass 1.16 Seeing 0.86" - 03:15UT: OGLE-2014-SN-073 Photometry BVRi. Airmass 1.20 Seeing 0.42" - 04:00UT: OGLE-2014-SN-073_Spec_V_19_5__fainter_g13_sl1. - 06:00UT: gd71 Spectroscopic standard star (gm11, gm13, gm16). Airmass 1.66 Seeing 0.52" - 06:30UT: PS114aly_spec_v_18p5_19p5_cls_g13_s1.obx. Airmass 1.51 Seeing 0.59" - 07:00UT: OGLE2014SN204_spec_v_fainter_19p5_cls_g13_s1. Airmass 1.43 Seeing 0.51" - 07:40UT: ASASSN14lp_Spec_V_14_5__16_0_g11g16_sl1.obx. Airmass 1.77 Seeing 0.70" Since yesterday exposures were saturated, we changed the exposure time from 900s to 700s for tonight spectra - 08:15UT: OGLE2014SN206_spec_v_18p5_19p5_cls_g13_s1. Airmass 2.26 Seeing 0.73"- 08:15UT: RU149 UBVRi. Airmass 1.56 Seeing 0.71" SCIENCE-CONCLUSIONS: with EFOSC: followup: ASASSN-14lw spec g11 g16 PESSTOESO154-G10 spec g11 g16 OGLE-2014-SN-073 Photometry BVRi OGLE-2014-SN-073 spec g13 ASASSN14lp g11 g16 classification: PS114aly --> Ia, z = 0.08, phi = +6 days OGLE2014SN204 --> Ia, z = 0.11, phi = +0 OGLE2014SN206 --> ? |
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